пробуем ssh ручками

.github/workflows/deploy.yml

@@ -13,6 +13,13 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
+      - name: Connect to Yandex Cloud on my own
+      - run: set -eu
+      - run: mkdir "$HOME/.ssh"
+      - run: echo "${{ secrets.key }}" > "$HOME/.ssh/key"
+      - run: chmod 600 "$HOME/.ssh/key"
+      - run: ssh -i $HOME/.ssh/key carolyn@{{secrets.HOST}} -o StrictHostKeyChecking=no 'ls -al'
+
       - name: Connect to Yandex Cloud
         uses: appleboy/ssh-action@master
         with: